Bovine leukaemia. A report of four cases.
D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000473:pathology*; D005260:Female; D005704:Gallbladder / Q000473:pathology; D007668:Kidney / Q000473:pathology; D007938:Leukemia / Q000473:pathology / Q000662:veterinary*; D008297:Male